Soc 13 Classification Of Joints Flashcards
4 types of joints
Pivot
Hinge
Ball and socket
Condyloid
8 movements
Flexion
Extention
Dorsiflexion
Plantar flexion
Abduction
Adduction
Rotation
Circumduction
Tendons
Non elastic fibres that attach muscle to bone and help them to move
Ligaments
Are elastic fibres that joins from bone to bone, usually to hold things together and keep them stable.
What does pivot do
Rotary movement around single axis
What does hinge do
Allows movement in on plane of motion
What does the ball and socket do
Enables the joint to move in any direction
What does condyloid do
Allows movement into two planes
Flexion
Bending movemnt that decreaces the angle between body parts
Extention
Straightening movement that increases the angle between body parts
Adduction
Movement that pulls towards the midline of the body
Abduction
Movement that pulls from the midline of the body
Rotation
Movement around the single axis or pivot point
Circumduction
Moving in a circular or conial shape
Dorsi-flexion
bending or flexing the toes up, closer to the shin
Plantar-flexion
extending or pointing the toes down, away from the shin
Sporting example of extention
A swimmer swings the arm backwards
Sporting example of Adduction
A golfer on the tee swings the club down
Sporting example of abduction
A gymnast moves thier arms out sideways
Sporting example of rotation
A tennis player serves
Sporting example of circumduction
A bowler throws a ball in cricket
A sporting example of doris flexion
A sprinter postions thier feet at the starting block
Sporting example of plantar flexion
A floor gymnast points thier feet toes
Example of a pivot bone
Neck
